Place the diced onions, Celery, oregano, bacon, dash of oil and garlic into a bowl and mix together. Then flour the pork with around a tablespoon of flour and rub in the mixture of ingredients in the bowl.

Spread a little oil on the bottom of slow cooker to reduce sticking / burning then place the pork directly into the slow cooker.

Cook on low for around 8 hours. The juices at the bottom of slow cooker can then be allowed to thicken (Add extra tablespoon of flour) and then drizzled over the sliced pork.